# Science - Forces and Fields - Word List

Flashcards by , created about 3 years ago

## Year 8

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 Created by Annan S about 3 years ago
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 Question Answer Force a push, pull or twist Acceleration the rate at which an object changes its velocity Mass is the amount of matter in an object Lightning the release of static charge in the sky Weight the force with which an object is attracted to Earth and is equal to the product of the object's mass and the acceleration due to gravity Spring Balance an instrument used to measure weight or force by how far a spring moves Domain a region in a ferromagnetic material (iron, nickel and cobalt) that alights with a magnetic field Satellite a celestial body (like a moon) or artifact object that orbits a planet Field an area that can exert a force on an object Contact Force a force required to be in direct contact with an object to cause a push, pull or twist Non-Contact Force a force applied to an object by another body that s not in direct contact with it Electrostatic relating to stationary electric charges or fields Magnet produces a magnetic field which attracts metallic objects composed of iron, cobalt or nickel Compass an instrument consisting of a freely rotating magnetised needle that indicates magnetic north Newton the unit for force Friction a contact force that opposes motion and produces heat Electromagnet a type of magnet created by electricity Gravity a force of attraction that moves bodies towards the centre o a celestial body, such as the Earth or the Moon